Home / 465,935.92-642,836.90-379,746.70

Finding the Fourth Proportional to 465,935.92, 642,836.90 and 379,746.70

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Solution

The fourth proportional to 465,935.92, 642,836.90 and 379,746.70 is: 523,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,935.92 : 642,836.90 = 379,746.70 : x
  2. Step 2: Convert to fraction form
    465,935.92/642,836.90 = 379,746.70/x
  3. Step 3: Cross multiply
    465,935.92x = 642,836.90 × 379,746.70
  4. Step 4: Simplify right side
    465,935.92x = 244,115,191,413.23
  5. Step 5: Solve for x
    x = 244,115,191,413.23/465,935.92
  6. Step 6: Final answer
    x = 523,924.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.